What Is a Blade Sharpening Grinder?
A blade sharpening grinder is a grinder specialized for sharpening knives. They can be used for a wide range of applications, including sharpening general household scissors and knives as well as blades for agricultural and industrial use.
In addition to the blade sharpening grinder, there are also grinders for grinding concrete and cutting metal. These are often referred to collectively as grinders, with hand-held grinders sometimes referred to as disk grinders and stationary grinders as tabletop grinders.
Uses of Blade Sharpening Grinders
Blade sharpening grinders can sharpen a wide variety of blades. Since the shape and the blades that can be sharpened differ depending on the product, it is necessary to select blade sharpening grinders that are compatible with the blades to be sharpened.
There are blade sharpening grinders designed specifically for sharpening kitchen knives and scissors, as well as those suitable for sharpening blades attached to agricultural equipment and various machines, such as chip saws.
Blade sharpening grinders are tools that can be easily handled by holding them with one hand and applying them to the blade, making them suitable for even beginners.
How to Select Blade Sharpening Grinders
Here are some points to consider when selecting blade sharpening grinders:
- Outer Diameter of the Blade
The outer diameter of the blade that can be used depends on the grinder’s outer diameter, which must be selected according to the size of the material to be sharpened. The most common outer diameters are 4″ and 5″. - Power Supply Method
There are two types of blade sharpening grinders: rechargeable and AC-powered.
Rechargeable blade sharpening grinders are cordless, making them easy to carry around. However, they are slightly less powerful than AC-powered grinders.
AC-powered blade sharpening grinders are inexpensive and available in a wide variety of types. They are also characterized by their powerful and stable output. - Additional Functions
Some blade sharpening grinders come equipped with various functions. Below are some examples, so be sure to select the function you need for your specific application.
Electronic Control
This is a function that maintains the grinder’s speed at a constant level through an electronic control system. This is useful when the blade sharpening grinders are used continuously for a long period.
Brake Function
This function automatically applies the brake when the power is turned off. It proves useful when the blade sharpening grinders are stopped and started repeatedly.
Speed Change Dial
The speed of the grinder can be adjusted. This is useful when you want to work on various outputs.